UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R5n7zUiGrH9x/q5TYgwL1zkkLAwGVU8Ue8E+OKZHjR0=' 
WHERE 
  key_id = '7e57fc15a71abf38378f96ce2b0f269826e05c4c17d4ace53017d5a8c46bb4ae' 
  AND (
    token = 'R5n7zUiGrH9x/q5TYgwL1zkkLAwGVU8Ue8E+OKZHjR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )