UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i4duUsXMlmJZFy/fMDUPDWG0Cxp4nysCFBMVbeROh9Y=' 
WHERE 
  key_id = 'b746b0e0e894e42b9611333010c6b86a07ecf2732bce8da72ab66990fe4d3aca' 
  AND (
    token = 'i4duUsXMlmJZFy/fMDUPDWG0Cxp4nysCFBMVbeROh9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042