UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MX0+uBEaX0afu8PTLVPEVUPInuM7Z392R1vL30KkY8=' 
WHERE 
  key_id = '40971e9a57dcdf9ea4f713eeb58483ddbc2b5d7edc19e2b69afa62c8610f519e' 
  AND (
    token = '6MX0+uBEaX0afu8PTLVPEVUPInuM7Z392R1vL30KkY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )