UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7g4CtAQhWvA8rfdfsi/G7xvTbhuhPc7ztZJgS3wKOAw=' 
WHERE 
  key_id = '7957a6859d39b782d7b6e8bf50fcd1c1164ff2d2b03e8e133ab28351c79c1d64' 
  AND (
    token = '7g4CtAQhWvA8rfdfsi/G7xvTbhuhPc7ztZJgS3wKOAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020