UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zR2k2Ajl4sOvbjtYhWFdu5Yg/GURkulPLHzvMsfT+zA=' 
WHERE 
  key_id = '97e95b2c88a24ac7b0f2bbc93c53ab74ff94e78cfcb43f06e149c2364070dbdd' 
  AND (
    token = 'zR2k2Ajl4sOvbjtYhWFdu5Yg/GURkulPLHzvMsfT+zA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048