INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9278a1c9ea5c4b9dac7205480e63dd9de4cc98930577409c0307fa5e0d8a64c5', 
    'mtlc0AqdnImvRW0sEUAIN6bPtDRcyfCibVsB97Da3EI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)