UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrqoyZfeFVRXmXX3v8L75hk6InFN/pwDtl6rcxoWtqw=' 
WHERE 
  key_id = '456f298a31ac6e7c483c6070042f968af1553738391e876469d0e55fc85e0118' 
  AND (
    token = 'PrqoyZfeFVRXmXX3v8L75hk6InFN/pwDtl6rcxoWtqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )