UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YE7rf9/fAKmN7fPTlBRyMnxejCG0tHp9532QgznRtkU=' 
WHERE 
  key_id = '5a2a0dd3305352c37c4efe51925b99c4488b6e3dfcff48c28d138fee20a3b8ce' 
  AND (
    token = 'YE7rf9/fAKmN7fPTlBRyMnxejCG0tHp9532QgznRtkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039