UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6DNMQcACx6kXibAB5pBFN3r05LpXiA7DY9GOVfYOPM=' 
WHERE 
  key_id = '0a04c8623b1f910fafeac7c62a5c23f6a649eb08a02613f19d1a67b83a7cc5ed' 
  AND (
    token = 'f6DNMQcACx6kXibAB5pBFN3r05LpXiA7DY9GOVfYOPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030