UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmFlhYjvqV8bb1j/xyvTWHzUQ3kSS6kmMsLDHiy/PsA=' 
WHERE 
  key_id = '5e7fa682351c781f933b0e9b32ae8acb56a16b2042e61951973ccb0e5ad3e356' 
  AND (
    token = 'KmFlhYjvqV8bb1j/xyvTWHzUQ3kSS6kmMsLDHiy/PsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036