UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/dpg+eCfv2b+1fOUmMn1MI6DngWF52j84fqYpkfPEo=' 
WHERE 
  key_id = '777510da97027f847a39a3d605cdd97279a39c7ad3bc5ac678168378fc30482a' 
  AND (
    token = 'K/dpg+eCfv2b+1fOUmMn1MI6DngWF52j84fqYpkfPEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )