UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PRrRdzxJIw7JpDihVYWjiaw1Hpfh78V0gTvS4adBP70=' 
WHERE 
  key_id = 'ea46855363b96a3eb59d8d256bbd7ec4c69dbda34e08c3e471b6cb0b138d2c9b' 
  AND (
    token = 'PRrRdzxJIw7JpDihVYWjiaw1Hpfh78V0gTvS4adBP70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030