UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6G988wpr6LhlZIM1UU+oCLlYegSrIOMMmiCCBzjzkY=' 
WHERE 
  key_id = '6b48a62dab1205ee721eed98b539cfc2ba5f7fcb9d04910baa75cd7a0ec7bd44' 
  AND (
    token = 'U6G988wpr6LhlZIM1UU+oCLlYegSrIOMMmiCCBzjzkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )