UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K4PMZds7Nm9xSzvaQLm1/qJEmkR1PgvhO5aHh2zCXxk=' 
WHERE 
  key_id = '51eca036ce3e04f293c8525b99ea19b36d7f9feaef6731e8469d5a77bc148200' 
  AND (
    token = 'K4PMZds7Nm9xSzvaQLm1/qJEmkR1PgvhO5aHh2zCXxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )