UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q/5u0fHXy2nmLOK+0LYW+5bA9lZV6x1b6ljZBvD7TjM=' 
WHERE 
  key_id = '612dbf70166d5ca8494d26b6aedc3cd6ccd476bb3581bb85f90ff9570601a7e6' 
  AND (
    token = 'q/5u0fHXy2nmLOK+0LYW+5bA9lZV6x1b6ljZBvD7TjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025