UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FQ2Hs8/Qk7+T7Aneku9HLHk44CwPMp5OwhE7mvDp9/s=' 
WHERE 
  key_id = 'cd27214dae8e90944923e196739a811169933f7ea97f1c8ca2d77c23194f790b' 
  AND (
    token = 'FQ2Hs8/Qk7+T7Aneku9HLHk44CwPMp5OwhE7mvDp9/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030