INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '73ed366f2ac27b0cbdef79a63382911d0fa404337f357301c6078205d38abafe', 
    'cEY9jmXfclIYOlldvGQYgKmP0saCMBNTPoTe4dZUPow=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)