UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gjYpETs8gF2m6RI63EWTfBPIS6CeyZax9vIZ4l/avdg=' 
WHERE 
  key_id = '51d9e923332fab737708d4a5996deb79d19c8d2c34a37a15bbecf096df8f85a7' 
  AND (
    token = 'gjYpETs8gF2m6RI63EWTfBPIS6CeyZax9vIZ4l/avdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )