UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nyRg72IR7g+wbhQbvufB1Sufwan4RHKCGkop1pZKIa0=' 
WHERE 
  key_id = '51ad21834436aa5facf96e150ce2d636f65fe52ae666e14906c05f2a03f75bf9' 
  AND (
    token = 'nyRg72IR7g+wbhQbvufB1Sufwan4RHKCGkop1pZKIa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )