UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWOPc0Vwnef6GqMsmlH8C60Vr2U0atXN3ns6RjQJadE=' 
WHERE 
  key_id = '83faf7d482507efeafce9f110462f31708f301fa4f80453ad1f3293444310c23' 
  AND (
    token = 'MWOPc0Vwnef6GqMsmlH8C60Vr2U0atXN3ns6RjQJadE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )