UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5m4bo2cEmxGBJK+v9rNELNcL7MFInq0vyyd8ma9cyc4=' 
WHERE 
  key_id = 'e306aa390aa96e45863ac554354519dcbbeab7dafc825e37cff3583c3adb8f98' 
  AND (
    token = '5m4bo2cEmxGBJK+v9rNELNcL7MFInq0vyyd8ma9cyc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027