UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eUiacU6Y88KmXkIXD7VDORCw4Y37HdfQmack5+Sk47U=' 
WHERE 
  key_id = '78c9bca75cc36be6e85867f4c2d6adde555133f5525e65ed37dfc3a099ec5d3c' 
  AND (
    token = 'eUiacU6Y88KmXkIXD7VDORCw4Y37HdfQmack5+Sk47U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027